EP3610721B1 - Dispositif d'extraction de souche de bois - Google Patents

Dispositif d'extraction de souche de bois Download PDF

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Publication number
EP3610721B1
EP3610721B1 EP18727065.7A EP18727065A EP3610721B1 EP 3610721 B1 EP3610721 B1 EP 3610721B1 EP 18727065 A EP18727065 A EP 18727065A EP 3610721 B1 EP3610721 B1 EP 3610721B1
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EP
European Patent Office
Prior art keywords
cutter
outer structure
axe
base
stump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18727065.7A
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German (de)
English (en)
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EP3610721A1 (fr
Inventor
Eliseu Manuel VICENTE FRAZÃO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fravizel Equipamentos Metalomecanicos Lda
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Fravizel Equipamentos Metalomecanicos Lda
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Publication of EP3610721A1 publication Critical patent/EP3610721A1/fr
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Publication of EP3610721B1 publication Critical patent/EP3610721B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/06—Uprooting or pulling up trees; Extracting or eliminating stumps

Definitions

  • the present invention refers to a device, an accessory of an excavating machine, which enables the stump to be extracted from the soil in a single action, and after finalizing the extraction, all that is needed is to move the machine over the trails and position it to begin another extraction.
  • the objective of the present invention is to develop a new solution in the stump extracting operation that enables improved adjustment to current environmental needs, with greater productivity and lesser intervention in the soils by leaving the roots and most of the aggregate in the ground.
  • the Patent n°. PT103603B1 presented by the Applicant of the present invention and granted on August 8, 2008, which was also granted in Spain with the number ES2 336 521B1 , refers to an accessory that enables the stump to be extracted and cut from the soil in a single operation, so that it can be subsequently reduced into small pieces.
  • This equipment enables the utilization of this raw material for biomass burning or paste for paper.
  • the utilization rate of the stumps can be improved because the content of aggregate is high, and from the environmental perspective, when the stump is pulled up the roots come out with it, disturbing the balance of the soils.
  • n°. PT103603 refers to a device to adapt to earthmoving machines (diggers), comprising two pivoting parts, the bucket and the hatchet, supported by the hydraulics box.
  • the hatchet is driven by a cylinder placed beneath the hydraulics box and is commanded by an independent circuit.
  • the function of the bucket is to pull up, and is driven by the cylinder of the machine which moves the 'h'.
  • Patent document n°. EP1639887A1 comprises a device and a method for extracting stumps.
  • Said device for extracting stumps comprises a coupling device for coupling the handling device to a work machine, a rotator for turning the handling device in relation to a work machine, means for gripping a stump, cutting means that are disposed at a distance from the gripping means, as well as power means for directing the operating power from outside to the gripping means and to the cutting means.
  • a stump is gripped by a handling means and parts of the root that are meant to be removed from the stump are cut by means of a cutting blade in the handling device. Afterwards, the part of the stump held by the handling device is transferred to a stump transport device.
  • Patent document n°. FR2924305 refers to tool having a counter-cutting articulated jaw and a mobile cutting jaw which is formed by two rotary cutting blades rotatably assembled around a common shaft.
  • the blades are propelled by a rotational displacement around the shaft to go from open position to a closed position.
  • the blades are assembled independently, in rotational displacement, in relation to one another.
  • the blades have drive units, that is, actuators, driving the blades by selective or simultaneous displacement to synchronised or unsynchronised displacement of the blades.
  • Patent document n°. DE3128467 refers to hydraulic grippers that are attached to the front loader linkage of a tractor and has lever-like jaws, tree stumps are to be gripped from beneath in the root region and pulled out of the earth and, beforehand and/or thereafter, split longitudinally by the cutting edges, which can be moved together.
  • gripper drive use is made of hydraulic cylinders that are driven via a connection to the tractor hydraulics.
  • Patent document n.° US6076572 refers an apparatus that lifts, secures, splits and/or crushes tree stumps or other materials, particularly wooden or metal materials and other materials that may be present at an excavation site.
  • the apparatus is characterized in part by a two pivot point design.
  • Patent document n.° JPH07237205 refers a crusher for large-size wood waste by which a log and a stump are crushed in a size not exceeding the prescribed dimension by rough crush without tearing the log and the stump.
  • the present invention refers to an accessory of an excavating machine for forestry use. After tree cutting, the stumps are normally extracted to clear the land for reforestation. These stumps have to be extracted so they can be optimized (more wood and less aggregate) and transported.
  • the conventional method consists of utilizing the excavation machines with a splitter which pulls out the stumps and their roots for subsequent sectioning into smaller pieces. This method has the drawback of stirring up the land a lot, pulling up the roots and the aggregate causing major environmental impact.
  • This new accessory described in the present invention enables the stump, namely the part of the trunk that is above the ground after the cut of the tree, to be extracted without stirring up the land and leaving the roots.
  • Figure 1 is represented an outer structure (1), which includes a three cutter and an extractor, and a three-cutter axe (2).
  • the present invention refers to an accessory for assembly on earthmoving machines (20) which enables the stump to be extracted from the ground in one cut, leaving the roots and the aggregate in the soil.
  • This said part may be coupled to any type of machine, and so is perfectly autonomous and adaptable.
  • the present invention presents an outer structure (1) which acts as support for the remaining components, three-cutter axe (2) and a hydraulic cylinder (3) or other cutting drive manner having a scissor effect against the outer structure (1).
  • This said scissor effect is achieved by the three-cutter axe (2) and by the components of the outer structure (1), concretely the left cutter (4), the right cutter (5) and the base cutter (6).
  • the present invention refers to an accessory for assembly on (20) earthmoving machines which enables the stump to be extracted stump from the ground in one cut, leaving the roots and the aggregate in the soil.
  • the present invention presents an outer structure (1) that acts as support to the remaining components, three-cutter axe (2) and a hydraulic cylinder (3) or other cutting means having a scissor effect against the outer structure (1) .
  • Figure 1 shows the stump extraction device, comprises:
  • the said 3 components of the stump extraction device are respectively connected to each other.
  • the outer structure (1) represented in figure 2 , comprises:
  • Figure 2 shows a representation of the three-cutter axe (2) which comprises:
  • a three-cutter axe (2) pivots around a pivot pin (19) .
  • the outer structure (1) represented in figure 2 comprises:
  • the base of the machine (21) is encased and attached to the arm of the machine (20) by means of 2 pins or other means (22).
  • the hydraulic drive cylinder (3) represented in figure 1 , is located inside the outer structure (1) and is connected with one of the ends to the outer structure (1) and with the other end to the three-cutter axe (2) by means of the pivot pin of the cylinder (16) and of the pivot pin (19) .
  • a three-cutter axe (2) is simultaneously connected to the hydraulic cylinder (3) and to the outer structure (1), respectively by means of the pivot pin (19), which is inserted into the intermediate ring (13), and a pin (17).

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Shovels (AREA)
  • Processing Of Solid Wastes (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Claims (7)

  1. Un dispositif d'extraction de souches comprenant :
    - une structure extérieure (1) ;
    - un dispositif de coupe à trois tranchants (2) ; et
    - un cylindre hydraulique d'actionnement (3), dans lequel la structure extérieure (1) comprend :
    - un élément coupant gauche (4), un élément coupant droit (5) et un élément coupant de base (6) qui sont disposés en forme de U, dont la base est l'élément coupant de base (6), et où l'élément coupant gauche (4) et l'élément coupant droit (5) sont fixés perpendiculairement sur chacun des sommets respectifs ;
    - une base (10), située sur la partie supérieure de la structure extérieure (1), pour l'emboîtement et la fixation du bras d'une machine (20) ;
    - deux côtés larges (11), situés respectivement sur la partie gauche et la partie droite de la structure extérieure (1) ;
    - un anneau arrière (12) ;
    - un anneau intermédiaire (13), pour joindre la structure extérieure (1) et le dispositif de coupe à trois tranchants (2) ;
    - un extracteur (14), situé à mi-chemin à l'intérieur de la structure extérieure (1) ;
    - renforts extérieurs gauche et droit (15), situés respectivement sur la partie gauche et la partie droite de la structure extérieure (1) ;
    - une cheville de pivotement (16) du cylindre (3), qui est insérée dans l'anneau arrière (12) ;
    - une cheville de pivotement (17) du dispositif de coupe à trois tranchants (2), qui relie le cylindre (3) au dispositif de coupe à trois tranchants (2) ;
    - deux becs inférieurs de pénétration remplaçables (18) ou autres (18) ; et
    - un renfort arrière (23),
    et dans lequel
    le dispositif de coupe à trois tranchants (2) est relié simultanément au cylindre hydraulique (3) et à la structure extérieure (1), au moyen respectivement de la cheville de pivotement (19), qui est insérée dans l'anneau intermédiaire (13), et d'une cheville (17).
  2. Le dispositif d'extraction de souches selon la revendication 1, caractérisé en ce qu'un dispositif de coupe à trois tranchants (2) comprend :
    - un élément coupant gauche supérieur (7) ;
    - un élément coupant droit supérieur (8) ; et
    - un élément coupant arrière (9), cohérents avec les éléments coupants de la structure extérieure (1).
  3. Le dispositif d'extraction de souches selon la revendication 1, caractérisé en ce que les composants du dispositif de coupe à trois tranchants (2), à savoir :
    - l'élément coupant gauche supérieur (7) ;
    - l'élément coupant droit supérieur (8) ; et
    - l'élément coupant arrière (9)
    sont disposés en forme de U, dont la base est l'élément coupant arrière (9), et où l'élément coupant gauche supérieur (7) et l'élément coupant droit supérieur (8) sont fixés perpendiculairement sur chacun des sommets respectifs.
  4. Le dispositif d'extraction de souches selon la revendication 1, caractérisé en ce qu'une base (21) reliée à la machine est emboîtée et fixée à la base (10) au moyen de vis.
  5. Le dispositif d'extraction de souches selon la revendication 4, caractérisé en ce que la base (21) est emboîtée et fixée à un bras de la machine (20) au moyen de deux chevilles ou par autres moyens (22).
  6. Le dispositif d'extraction de souches selon la revendication 1, caractérisé en ce que le cylindre hydraulique d'entraînement (3) est :
    - situé à l'intérieur de la structure extérieure (1)
    et en ce que
    - il est relié par l'une des extrémités à la structure extérieure (1) et par l'autre extrémité au dispositif de coupe à trois tranchants (2) au moyen de la cheville de pivotement (16) du cylindre et de la cheville de pivotement (19).
  7. Le dispositif d'extraction de souches selon la revendication 1, caractérisé en ce que l'opération d'ouverture et de fermeture du dispositif de coupe à trois tranchants (2) est réalisée par le mouvement d'un circuit hydraulique alternatif dans la machine (20).
EP18727065.7A 2017-04-13 2018-04-13 Dispositif d'extraction de souche de bois Active EP3610721B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT110027A PT110027A (pt) 2017-04-13 2017-04-13 Dispositivo de extração de cepos
PCT/PT2018/050013 WO2018190739A1 (fr) 2017-04-13 2018-04-13 Dispositif d'extraction de souches

Publications (2)

Publication Number Publication Date
EP3610721A1 EP3610721A1 (fr) 2020-02-19
EP3610721B1 true EP3610721B1 (fr) 2021-04-21

Family

ID=62244519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18727065.7A Active EP3610721B1 (fr) 2017-04-13 2018-04-13 Dispositif d'extraction de souche de bois

Country Status (3)

Country Link
EP (1) EP3610721B1 (fr)
PT (1) PT110027A (fr)
WO (1) WO2018190739A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07237205A (ja) * 1994-02-25 1995-09-12 Komatsu Ltd 大型木屑破砕機
US6076572A (en) * 1999-02-16 2000-06-20 Cook; Douglas B. Apparatus for excavating and crushing tree stumps
PT103603A (pt) * 2006-11-10 2008-05-30 Fravizel Equipamentos Metalome Dispositivo de extracção e corte de cepos
US20080282585A1 (en) * 2007-10-31 2008-11-20 Entek Manufacturing Inc. Prehensile bucket attachment
DE202012100580U1 (de) * 2012-02-22 2012-03-22 Genesis Gmbh Hydraulische Anbauvorrichtung zum Scheren oder Zermalmen von Strukturen
US20150107137A1 (en) * 2013-10-17 2015-04-23 John L. Humphrey Tree Removal-Field Reclamation Attachment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924305C2 (de) 1979-06-15 1981-04-23 Arnold 3257 Springe Mischke Hohlplattenförmiges Wärmeaustauschelement
DE3128467A1 (de) 1981-07-18 1983-01-27 Josef 7771 Frickingen Willibald Verfahren und vorrichtung zum roden von baumstuempfen
FI121103B (fi) 2004-09-23 2010-07-15 Kappelinranta Kapelstrand Ab O Kantojenkäsittelymenetelmä
FR2924305B1 (fr) 2007-12-03 2012-08-31 Mecanokit Outil d'essouchement apte a extraire et a debiter sur site les souches d'arbre

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07237205A (ja) * 1994-02-25 1995-09-12 Komatsu Ltd 大型木屑破砕機
US6076572A (en) * 1999-02-16 2000-06-20 Cook; Douglas B. Apparatus for excavating and crushing tree stumps
PT103603A (pt) * 2006-11-10 2008-05-30 Fravizel Equipamentos Metalome Dispositivo de extracção e corte de cepos
ES2336521A1 (es) * 2006-11-10 2010-04-13 Fravizel-Equipamientos Metalomecanicos, Lda. Dispositivo de extraccion y corte de cepas.
US20080282585A1 (en) * 2007-10-31 2008-11-20 Entek Manufacturing Inc. Prehensile bucket attachment
DE202012100580U1 (de) * 2012-02-22 2012-03-22 Genesis Gmbh Hydraulische Anbauvorrichtung zum Scheren oder Zermalmen von Strukturen
US20150107137A1 (en) * 2013-10-17 2015-04-23 John L. Humphrey Tree Removal-Field Reclamation Attachment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FRAVIZEL SA: "FRAVIZEL_FORESTRY_2016", 29 October 2016 (2016-10-29), XP054978515, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=oi_t-65MLJA> [retrieved on 20180713] *

Also Published As

Publication number Publication date
EP3610721A1 (fr) 2020-02-19
PT110027A (pt) 2018-10-15
WO2018190739A1 (fr) 2018-10-18
BR112019021358A2 (pt) 2020-07-21
WO2018190739A4 (fr) 2019-01-17

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